Here are some examples:
* La menace du changement climatique. (The threat of climate change.)
* Il a fait une menace de mort. (He made a death threat.)
* La guerre est une menace pour la paix. (War is a threat to peace.)
You can also use other words depending on the context, such as:
* Danger: For a more general sense of danger or risk.
* Risque: For a potential threat or hazard.
* Attentat: For a direct threat or attack.
The best word to use will depend on the specific context of your sentence.